Chilling video reveals how coronavirus spreads from a single cough in a supermarket

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Researchers in Finland have created a chilling video that models how coronavirus could spread from a single cough in a supermarket. The video was uploaded to YouTube by scientists at Finland’s Aalto University. “In the 3D model, a person coughs in a corridor bounded by shelves under representative indoor ventilation airflow conditions,” the video explains. “As a result of coughing, an aerosol cloud travels in the air to the corridor. It takes up to several minutes for the cloud to spread and disperse.”